H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 6/52 (2006.01) B07C 5/344 (2006.01) H01M 10/54 (2006.01)
Patent
CA 2291982
A method and an apparatus for classifying and recovering the main components of used batteries , particularly, a method and an apparatus by which the batteries are conveyed on a conveyor while an alternating magnetic field of a plurality of frequencies is applied to each and a detection means detects what sort of induced magnetic field has resulted from the eddy current induced in the battery. The orthogonal components in the change of the induced magnetic field are detected; the relationship between these orthogonal components and the frequencies are compared with the database of the same which is previously obtained, and the batteries are sorted according to their classification and size. This method can sort large amounts of used batteries continuously. In this invention, the battery will be drawn down into the detection region either magnetically or mechanically while the stable transport of the battery is achieved. The method and apparatus of the invention enable continuous bulk sorting of batteries, assure a smooth feed, and improve the accuracy with which the induced magnetic field generated in the battery is detected.
Hirai Takahiko
Honnmura Shiro
Kamimura Takeo
Kurokawa Masaaki
Miyauchi Reizou
Gowling Lafleur Henderson Llp
Mitsubishi Heavy Industries Ltd.
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